Vecums (mēnešos) Skaņa
TR vārdā putra
37 22.4%
38 27.6%
39 32.5%
40 37%
41 41%
42 44.5%
43 47.6%
44 50.4%
45 53%
46 54.9%
47 55.9%
48 56.4%
49 57%
50 58.1%
51 59.7%
52 61.4%
53 63.4%
54 65.5%
55 68.2%
56 71.5%
57 74.9%
58 77.9%
59 80.2%
60 81.8%
61 83%
62 84.1%
63 85%
64 85.9%
65 86.5%
66 86.9%
67 87.1%
68 87.1%
69 86.8%
70 86.4%
71 85.8%